Professional communities centered on mathematics

We connect teachers and professors through shared mathematical discovery.

Image provided by San Diego MTC

“Unparalleled professional development in mathematics and math pedagogy.”

Heather Danforth-Clayson, member of AIM MTC and math teacher at Helios School, Sunnyvale, CA

Math Session Videos

An Introduction to Problem Solving

This session gets at the heart of Math Teachers’ Circle: becoming comfortable with not knowing how to solve a problem.

Grid Power

A sheet of grid paper and a simple counting question reveal some deep mathematical surprises.

Exploding Dots

An imaginary counting machine explodes teachers’ preconceptions about arithmetic.

More videos >

Other mathematical materials >


MTCs empower teachers’ voices and experiences

MTCs are highlighted as a “bright spot” in teacher professional development in a 2017 white paper published by 100Kin10.


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Our Organizer Toolkit contains a wealth of materials to help you start a successful, self-sustaining MTC. Our seed grant program provides start-up funding to selected Circles.

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